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|
#[derive(Copy, Clone)]
struct Foo {
bar1: Bar,
bar2: Bar
}
#[derive(Copy, Clone)]
struct Bar {
int1: isize,
int2: isize,
}
fn make_foo() -> Box<Foo> { panic!() }
fn borrow_same_field_twice_mut_mut() {
let mut foo = make_foo();
let bar1 = &mut foo.bar1;
let _bar2 = &mut foo.bar1; //~ ERROR cannot borrow
*bar1;
}
fn borrow_same_field_twice_mut_imm() {
let mut foo = make_foo();
let bar1 = &mut foo.bar1;
let _bar2 = &foo.bar1; //~ ERROR cannot borrow
*bar1;
}
fn borrow_same_field_twice_imm_mut() {
let mut foo = make_foo();
let bar1 = &foo.bar1;
let _bar2 = &mut foo.bar1; //~ ERROR cannot borrow
*bar1;
}
fn borrow_same_field_twice_imm_imm() {
let mut foo = make_foo();
let bar1 = &foo.bar1;
let _bar2 = &foo.bar1;
*bar1;
}
fn borrow_both_fields_mut() {
let mut foo = make_foo();
let bar1 = &mut foo.bar1;
let _bar2 = &mut foo.bar2;
*bar1;
}
fn borrow_both_mut_pattern() {
let mut foo = make_foo();
match *foo {
Foo { bar1: ref mut _bar1, bar2: ref mut _bar2 } => {
*_bar1;
*_bar2;
}
}
}
fn borrow_var_and_pattern() {
let mut foo = make_foo();
let bar1 = &mut foo.bar1;
match *foo {
Foo { bar1: ref mut _bar1, bar2: _ } => {}
//~^ ERROR cannot borrow
}
*bar1;
}
fn borrow_mut_and_base_imm() {
let mut foo = make_foo();
let bar1 = &mut foo.bar1.int1;
let _foo1 = &foo.bar1; //~ ERROR cannot borrow
let _foo2 = &*foo; //~ ERROR cannot borrow
*bar1;
}
fn borrow_mut_and_base_mut() {
let mut foo = make_foo();
let bar1 = &mut foo.bar1.int1;
let _foo1 = &mut foo.bar1; //~ ERROR cannot borrow
*bar1;
}
fn borrow_mut_and_base_mut2() {
let mut foo = make_foo();
let bar1 = &mut foo.bar1.int1;
let _foo2 = &mut *foo; //~ ERROR cannot borrow
*bar1;
}
fn borrow_imm_and_base_mut() {
let mut foo = make_foo();
let bar1 = &foo.bar1.int1;
let _foo1 = &mut foo.bar1; //~ ERROR cannot borrow
*bar1;
}
fn borrow_imm_and_base_mut2() {
let mut foo = make_foo();
let bar1 = &foo.bar1.int1;
let _foo2 = &mut *foo; //~ ERROR cannot borrow
*bar1;
}
fn borrow_imm_and_base_imm() {
let mut foo = make_foo();
let bar1 = &foo.bar1.int1;
let _foo1 = &foo.bar1;
let _foo2 = &*foo;
*bar1;
}
fn borrow_mut_and_imm() {
let mut foo = make_foo();
let bar1 = &mut foo.bar1;
let _foo1 = &foo.bar2;
}
fn borrow_mut_from_imm() {
let foo = make_foo();
let bar1 = &mut foo.bar1; //~ ERROR cannot borrow
*bar1;
}
fn borrow_long_path_both_mut() {
let mut foo = make_foo();
let bar1 = &mut foo.bar1.int1;
let foo1 = &mut foo.bar2.int2;
*bar1;
*foo1;
}
fn main() {}
|
